Top 10 macOS Malware Discoveries in 2022
Learn about all the new malware targeting macOS users in 2022 and how to stay safe from the latest Mac-focused campaigns.
Samsung, LG, Mediatek certificates compromised to sign Android malware
Multiple platform certificates used by Android OEM device vendors to digitally sign core system applications have also been used to sign Android apps containing malware.
Aurora: a rising stealer flying under the radar
Since September 2022, Aurora malware is advertised as an infostealer and several traffers teams announced they added it to their malware toolset.
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Massive ois[.]is Black Hat Redirect Malware Campaign
Learn how attackers are redirecting WordPress website visitors to fake Q&A sites via ois[.]is. Nearly 15,000 websites affected by this malware so far.
Threat Spotlight: Cyber Criminal Adoption of IPFS for Phishing, Malware Campaigns
- The InterPlanetary File System (IPFS) is an emerging Web3 technology that is currently seeing widespread abuse by threat actors. * Cisco Talos has observed multiple ongoing campaigns that leverage the IPFS network to host their malware payloads and phishing kit infrastructure while facilitating other attacks. * IPFS is often used for legitimate
The Case of Cloud9 Chrome Botnet
The Zimperium zLabs team recently discovered a malicious browser extension, originally called Cloud9, which not only steals the information available during the browser session but can also install malware on a user's device and subsequently assume control of the entire device. In this blog, we will take a deeper look into this malicious browser extension.
Crime group hijacks hundreds of US news websites to push malware
A cybercriminal group has compromised a media content provider to deploy malware on the websites of hundreds of news outlets in the U.S. according to cybersecurity company Proofpoint.
Malware on the Google Play store leads to harmful phishing sites
A family of malicious apps from developer Mobile apps Group are listed on Google Play and infected with Android/Trojan.HiddenAds.BTGTHB. In total, four apps are listed, and together they have amassed at least one million downloads. Older versions of these apps have been detected in the past as different variants of Android/Trojan.HiddenAds. Yet, the developer is still on Google Play dispensing its latest HiddenAds malware.
Raspberry Robin worm part of larger ecosystem facilitating pre-ransomware activity
Microsoft has discovered recent activity indicating that the Raspberry Robin worm is part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread.
From RM3 to LDR4: URSNIF Leaves Banking Fraud Behind
A new variant of the URSNIF malware, first observed in June 2022, marks an important milestone for the tool. Unlike previous iterations of URSNIF, this new variant, dubbed LDR4, is not a banker, but a generic backdoor (similar to the short-lived SAIGON variant), which may have been purposely built to enable operations like ransomware and data theft extortion. This is a significant shift from the malware’s original purpose to enable banking fraud, but is consistent with the broader threat landscape.
Cyble Phishing ERMAC Android Malware Increasingly Active
CRIL Investigates the resurgence of ERMAC Android Malware as an increasing number of users are falling prey to their phishing attacks.
Black Basta Ransomware Gang Infiltrates networks via QAKBOT, Brute Ratel, and Cobalt Strike
We analyzed a QAKBOT-related case leading to a Brute Ratel C4 and Cobalt Strike payload that can be attributed to the threat actors behind the Black Basta ransomware.
POLONIUM targets Israel with Creepy malware
ESET researchers analyzed previously undocumented custom backdoors and cyberespionage tools deployed in Israel by the POLONIUM APT group.
MSSQL, meet Maggie. A novel backdoor for Microsoft SQL…
Continuing our monitoring of signed binaries, DCSO CyTec recently found a novel backdoor malware targeting Microsoft SQL servers. The malware comes in form of an “Extended Stored Procedure” DLL, a…
MAR-10365227-3.v1 China Chopper Webshells
CISA analyzed 15 files associated with China Chopper malware. The files are modified Offline Address Book (OAB) Virtual Directory (VD) configuration files for Microsoft Exchange servers. The files have been modified with a variant of the China Chopper webshell. The webshells allow an attacker to remotely access the server and execute arbitrary code on the system(s).referenced in this bulletin or otherwise.
MAR-10365227-2.v1 HyperBro
CISA analyzed 4 files associated with HyperBro malware. The files creates a backdoor program that is capable of uploading and downloading files to and from the system. The RAT is also capable of logging keystrokes and executing commands on the system.
Bumblebee: increasing its capacity and evolving its TTPs
The spring of 2022 saw a spike in activity of Bumblebee loader, a recent threat that has garnered a lot of attention due to its many links to several well-known malware families.
Bad VIB(E)s Part One: Investigating Novel Malware Persistence Within ESXi Hypervisors | Mandiant
Earlier this year, Mandiant identified a novel malware ecosystem impacting VMware ESXi, Linux vCenter servers, and Windows virtual machines that enables a threat actor to take the following actions: 1) Maintain persistent administrative access to the hypervisor 2) Send commands to the hypervisor that will be routed to the guest VM for execution 3) Transfer files between the ESXi hypervisor and guest machines running beneath it 4) Tamper with logging services on the hypervisor
Lazarus hackers abuse Dell driver bug using new FudModule rootkit
The notorious North Korean hacking group 'Lazarus' was seen installing a Windows rootkit that abuses a Dell hardware driver in a Bring Your Own Vulnerable Driver attack.
Mystery Hackers Are ‘Hyperjacking’ Targets for Insidious Spying
For decades, security researchers warned about techniques for hijacking virtualization software. Now one group has put them into practice.
Chaos is a Go-based Swiss army knife of malware
Black Lotus Labs, the threat intelligence arm of Lumen Technologies, recently uncovered a multifunctional Go-based malware developed for Windows and Linux
NullMixer drops Redline Stealer, SmokeLoader and other malware | Securelist
NullMixer is a dropper delivering a number of Trojans, such as RedLine Stealer, SmokeLoader, Satacom, and others.
MAR-10400779-1.v1 – Zimbra 1
CISA received seven files for analysis. Six Java Server Pages (JSP) webshells and a Bourne Again SHell (bash) file. Five JSP webshell files are designed to parse inbound requests for commands for execution, download files, and upload files. One JSP webshell file contains a form with input fields that prompts the attacker to enter the command in the input box and click "run" to execute. The command output will be displayed in a JSP page. The bash file is designed to perform ldapsearch queries and store the output into a newly created directory.
New Malware Campaign Targets Zoom Users
Cyble Research and Intelligence Labs analyzes a new malware campaign targeting Zoom users.
The Evolution of the Chromeloader Malware - VMware Security Blog - VMware
The VMware Carbon Black MDR team goes in depth on the latest variants of the Chromeloader malware and how to detect them.
Lampion Trojan Utilizes New Delivery through Cloud-Based Sharing
Analysts at the Cofense Phishing Defense Center (PDC) have recently analyzed an email asking users to download a “Proof of Payment” as well as other documents. While it is important to never click on the link(s) or download the attachment(s) of any suspicious email, if the recipient interacts with the link, it downloaded the malware Lampion.
Shikitega - New stealthy malware targeting Linux
AT&T Alien Labs has discovered a new malware targeting endpoints and IoT devices that are running Linux operating systems. Shikitega is delivered in a multistage infection chain where each module responds to a part of the payload and downloads and executes the next one. An attacker can gain full control of the system, in addition to the cryptocurrency miner that will be executed and set to persist.
PyPI Phishing Campaign | JuiceLedger Threat Actor Pivots From Fake Apps to Supply Chain Attacks
A new threat actor is spreading infostealer malware through targeted attacks on developers and fraudulent cryptotrading applications.
North Korean hackers use signed macOS malware to target IT job seekers
North Korean hackers from the Lazarus group have been using a signed malicious executable for macOS to impersonate Coinbase and lure in employees in the financial technology sector.
Two more malicious Python packages in the PyPI
We used our internal automated system for monitoring open-source repositories and discovered two other malicious Python packages in the PyPI.